/***************************************************************************
 *   Copyright (c) 2011 Jürgen Riegel (juergen.riegel@web.de)              *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   This library  is distributed in the hope that it will be useful,      *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/


#include "PreCompiled.h"
#ifndef _PreComp_
# include <QMessageBox>
#endif

#include <Gui/Application.h>
#include <Gui/Document.h>
#include <Gui/Selection.h>
#include <Gui/Command.h>
#include <Gui/MainWindow.h>
#include <Gui/DlgEditFileIncludeProptertyExternal.h>

#include <Mod/Part/App/Geometry.h>
#include <Mod/Sketcher/App/SketchObject.h>

#include "ViewProviderSketch.h"

using namespace std;
using namespace SketcherGui;
using namespace Sketcher;

bool isAlterGeoActive(Gui::Document *doc)
{
    if (doc)
        // checks if a Sketch Viewprovider is in Edit and is in no special mode
        if (doc->getInEdit() && doc->getInEdit()->isDerivedFrom(SketcherGui::ViewProviderSketch::getClassTypeId()))
            if (dynamic_cast<SketcherGui::ViewProviderSketch*>(doc->getInEdit())
                ->getSketchMode() == ViewProviderSketch::STATUS_NONE)
                if (Gui::Selection().countObjectsOfType(Sketcher::SketchObject::getClassTypeId()) > 0)
                    return true;
    return false;
}

namespace SketcherGui {


/* Constrain commands =======================================================*/
DEF_STD_CMD_A(CmdSketcherToggleConstruction);

CmdSketcherToggleConstruction::CmdSketcherToggleConstruction()
    :Command("Sketcher_ToggleConstruction")
{
    sAppModule      = "Sketcher";
    sGroup          = QT_TR_NOOP("Sketcher");
    sMenuText       = QT_TR_NOOP("Toggle construction line");
    sToolTipText    = QT_TR_NOOP("Toggles the currently selected lines to/from construction mode");
    sWhatsThis      = sToolTipText;
    sStatusTip      = sToolTipText;
    sPixmap         = "Sketcher_AlterConstruction";
    sAccel          = "T";
    eType           = ForEdit;
}

void CmdSketcherToggleConstruction::activated(int iMsg)
{
    // get the selection
    std::vector<Gui::SelectionObject> selection = getSelection().getSelectionEx();

    // only one sketch with its subelements are allowed to be selected
    if (selection.size() != 1) {
        QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Wrong selection"),
            QObject::tr("Select edge(s) from the sketch."));
        return;
    }

    // get the needed lists and objects
    const std::vector<std::string> &SubNames = selection[0].getSubNames();
    Sketcher::SketchObject* Obj = dynamic_cast<Sketcher::SketchObject*>(selection[0].getObject());
    const std::vector< Sketcher::Constraint * > &vals = Obj->Constraints.getValues();

    // undo command open
    openCommand("toggle draft from/to draft");

    // go through the selected subelements
    for(std::vector<std::string>::const_iterator it=SubNames.begin();it!=SubNames.end();++it){
        // only handle edges
        if (it->size() > 4 && it->substr(0,4) == "Edge") {
            int index=std::atoi(it->substr(4,4000).c_str());
            // issue the actual commands to toggle
            doCommand(Doc,"App.ActiveDocument.%s.toggleConstruction(%d) ",selection[0].getFeatName(),index);
        }
    }
    // finish the transaction and update
    commitCommand();
    updateActive();

    // clear the selection (convenience)
    getSelection().clearSelection();
}

bool CmdSketcherToggleConstruction::isActive(void)
{
    return isAlterGeoActive( getActiveGuiDocument() );
}



}


void CreateSketcherCommandsAlterGeo(void)
{
    Gui::CommandManager &rcCmdMgr = Gui::Application::Instance->commandManager();

    rcCmdMgr.addCommand(new CmdSketcherToggleConstruction());
}

